Compare CircleCI vs. Concourse

Enhance your development workflow by utilizing CI, whether it’s in the cloud or on your own private server. Seize the opportunity to oversee your code and manage all sources of modifications. With CircleCI, you can validate changes at each phase, ensuring that you can roll out updates precisely when your users require them, with confidence in their reliability. Experience the freedom to innovate without restrictions, as our platform supports coding in various languages and across diverse execution environments. If you can conceive it, we possess the capability to build, test, and deploy it seamlessly. Our adaptable environments, coupled with thousands of pre-existing integrations, ensure that your pipelines are only limited by your imagination. Furthermore, we are proud to be the sole CI/CD platform achieving FedRAMP certification and SOC 2 Type II compliance. You gain comprehensive control over your code with built-in functionalities such as audit logs, OpenID Connect, third-party secrets management, and LDAP, empowering you to manage your development process with utmost security and efficiency. This level of control allows you to innovate while staying compliant with industry standards.

Concourse serves as an open-source tool designed for continuous automation, effectively streamlining processes through its foundational elements of resources, tasks, and jobs, making it particularly suitable for CI/CD applications. Its pipeline functions similarly to a distributed, ongoing Makefile, where each job outlines a build plan that specifies input resources and the actions to take upon their changes. The web UI visually represents your pipeline, allowing users to seamlessly navigate from a job failure to understanding the underlying issues with just a single click. This visualization acts as a "gut check" feedback mechanism: if something appears off, it likely warrants attention. Additionally, jobs can be linked through dependency configurations, creating an interconnected graph of jobs and resources that perpetually advances your project from the initial codebase to deployment. All aspects of configuration and management are handled via the fly CLI, with the fly set-pipeline command being used to upload the configuration to Concourse. Once you confirm that everything is set up correctly, you can then commit the configuration to your source control repository, ensuring that your automation remains aligned with your project's evolving needs. This flexibility and clarity make Concourse an invaluable asset for developers looking to enhance their continuous integration and delivery workflows.